April in Richmond averages a daily high of 19.5°C with nights around 9.7°C. Expect roughly 5.1 wet days totalling 42.6mm. Comfortable conditions for being outdoors all day.
Across the year, the best time to visit Richmond is May–October.
Based on RICHMOND, CA US (3.2km), 1995–2024. 24 years of April data.